Release v1.8.5

What's Changed

• Add MFC TTS example on Windows by @csukuangfj in #378
• support specifying output filename in MFC tts example by @csukuangfj in #380
• Add jni interface and kotlin API examples for TTS. by @csukuangfj in #381
• Fix jni test by @csukuangfj in #382
• Add Android TTS demo by @csukuangfj in #383
• support specifying speech speed for tts Python APIs by @csukuangfj in #384
• Fix splitting utf8 string into words by @csukuangfj in #385

Full Changelog: v1.8.4...v1.8.5